Model: MS51934-21

Welding Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.494 inches and 0.625 inches

Fastener Length

Between 0.594 inches and 0.625 inches

Head Style

Pan no. 2

Head Diameter

Between 0.547 inches and 0.578 inches

Head Height

Between 0.062 inches and 0.094 inches

Welding Projection Quantity

4 bearing surface of head

Internal Drive Style

W/o internal drive

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Material

Steel

Thread Series Designator

Unc

NSN

5306-01-043-1856

Part Number

MS51934-21

Description

Bolt,welding

CAGE

96906

An externally threaded fastener whose threaded portion is of one nominal diameter having small raised projections on the top side or underside of the head to facilitate welding the head. May or may not be designed to be held or turned with a wrench or inserted driver.

Part MS51934-21 NSN 5306-01-043-1856

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01850

FIIG:

A003B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

573

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7318152000
SITC: 69421
End Use: Iron and steel products, other
NAICS: 332722
USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment